import java.util.Scanner;

/**
 * Created with Intellij IDEA.
 * Description:
 * User:Lenovo
 * Date:2024-12-12
 * Time:19:29
 */
public class Text {
    public static void main(String[] args) {
        Scanner san = new Scanner(System.in);
        while(san.hasNextInt()){
            int a = san.nextInt();
            int b = san.nextInt();
            System.out.println(a + b);
        }
    }
}
